Setting IP di Ubuntu 11.10 (text)

$ sudo pico /etc/network/interfaces

auto eth1
iface eth1 inet static

address 192.168.1.206

netmask 255.255.255.0

network 192.168.1.0

broarcast 192.168.1.255

gateway 192.168.1.1

auto eth0
iface eth0 inet static

address 192.168.8.1
netmask 255.255.255.0
network 192.168.8.0
broadcast 192.168.8.255
gateway 192.168.1.206

Keterangan :  192.168.1.206 adalah IP WAN

                        192.168.8.1 adalah IP Local

Kemudian restart network 

$ /etc/init.d/networking restart

$ ifconfig eth1 up

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Setting FTP Server di Ubuntu 11.10

Instalasi vsftpd
$ sudo apt-get install vsftpd

Mengaktifkan anonymous FTP
$ sudo gedit /etc/vsftpd.conf

Kemudian rubah :
anonymous_enable=No
menjadi
anonymous_enable=Yes

Copy file atau direktory ke direktory FTP ( /srv/ftp)

$ sudo cp file/direktory /srv/ftp

“file/direktory” adalah file yang akan di copy.

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Setting Proxy Server di Ubuntu 11.10 (text)

Install squid.

$ sudo apt-get install squid

Backup dulu filenya

$ sudo cp /etc/squid/squid.conf /etc/squid/squid.copy

Hapus File

$ sudo rm /etc/squid/squid.conf

Edit squid.conf

$ sudo pico /etc/squid/squid.conf

isikan file :

acl all src all

acl localnet src 192.168.8.0/24

acl situs url_regex -i “/etc/squid/blokir.txt”

http_access deny situs

http_access allow localnet

http_access allow all

http_port 3128 transparent

cache_mem 100 mb

memory_replacement_policy heap GDSF

cache_replacement_policy heap LFUDA

store_dir_select_algorithm round-robin

cache_dir aufs /cache 10000 24 256

cache_store_log none

cache_access_log /var/log/squid/access.log

cache_effective_user proxy

cache_effective_group proxy

visible_hostname tkj06

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Setting Router di Ubuntu 11.10 (text)

Pertama masuk ke root

$ sudo su

Kemudian masukan password

Membuat file Masquerade

$ sudo pico masquerade

Isikan file Masquerade :

#!/bind/bash

iptables -F

iptables -X

iptables -P INPUT ACCEPT

iptables -P OUTPUT ACCEPT

iptables -P FORWARD ACCEPT

iptables -t nat -A POSTROUTING -s 192.168.8.0/24 -d 0/0 -j MASQUERADE

kemudian save

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Setting DNS Server di Ubuntu 11.10 (text)

Pada terminal, masukkan perintah berikut untuk menginstal dns:

$ sudo apt-get install bind9

Untuk pengujian dan troubleshooting masalah DNS adalah paket dnsutils. Untuk menginstal dnsutils masukkan berikut ini:

$ sudo apt-get install dnsutils

Edit /etc/bind/ named.conf.options : (tambahkan DNS IP ISP Anda)
$ sudo pico /etc/bind/named.conf.options

directory “/var/cache/bind”;
// If there is a firewall between you and nameservers you want
// to talk to, you may need to fix the firewall to allow multiple
// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0′s placeholder.
// forwarders {
// 0.0.0.0;
// };
//

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Setting DHCP Server di Ubuntu 11.10 (text)

Sebelumnya kita harus meng-update terlebih dahulu
$ sudo apt-get update
 
Install dhcp server.
$ sudo apt-get install dhcp3-server

Edit file isc-dhcp-server.
$ sudo pico /etc/default/isc-dhcp-server
Cari INTERFACES=” “

Edit hingga menjadi :
INTERFACES=”eth0″
Keterangan : “eth0″ adalah ethernet yang digunakan LAN (Local).

Edit file dhcpd.conf
$ sudo pico /etc/dhcp/dhcpd.conf
Cari tulisan  # A slightly different configuration for an internal subnet.

Kemudian edit sehingga menjadi :
# A slightly different configuration for an internal subnet.
subnet 192.168.8.0 netmask 255.255.255.0 {
range 192.168.8.1 192.168.8.30;
option domain-name-servers 202.155.0.10,202.155.0.15;
option domain-name “lukman.net”;
option routers 192.168.8.1;
option broadcast-address 192.168.8.255;
default-lease-time 600;
max-lease-time 7200;
}

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